250 Hz Tone
Continuous 250 Hz reference tone — play instantly in your browser.
Fixed frequency: 250 Hz (Low-mid reference)
Download a 250 Hz reference WAV (2 seconds, 44.1 kHz).
What this tool does
A 250 Hz tone vibrates 250 times per second. A low-mid reference tone for room and speaker evaluation. This page locks the frequency so you can listen, compare equipment, or export a WAV without adjusting sliders.
How to use it
Tap Play to unlock audio (required on mobile browsers). Start at low volume, especially with headphones. Switch waveform to hear how harmonics change timbre while the fundamental stays at 250 Hz. Use Download WAV for an offline reference file.
Practical applications
250 Hz is commonly used for speaker calibration, hearing checks, and audio system verification. Pair with our Speaker Test or Hearing Test tools for a fuller workflow.
Frequently asked questions
What is 250 Hz used for in audio?
Engineers often check low-mid balance and room modes near this range.
Can I export this tone?
Yes. WAV download renders locally at 44.1 kHz.
Last updated: September 2025. Technical values (Hz) are locale-invariant.